| Tournament | Round | Isabel Van Hoorn | Dianne Davis |
| 25.08.2002 Eastern Suburbs (VIC) | 2 | 345 | 395 |
| 29.09.2002 Essendon (VIC) | 5 | 342 | 418 |
| 01.12.2002 McKinnon (VIC) | 6 | 365 | 461 |
| 27.07.2003 Bentleigh (VIC) | 4 | 315 | 387 |
| 07.01.2006 Mind Sports (VIC) | 4 | 363 | 390 |
| Head-to-head after 5 games | 0 | 5 | |
| Average score | 346 | 410.2 | |
| Spread: | -321 | 321 | |